Granted Patent
Utility
US 4,723,669 · App. 07/001,772
Child resistant dispensing closure system
Inventor:
Jacques J. Barriac
Patented Case
View Patent ↗
Granted: Feb 9, 1988
Filed: Jan 9, 1987
Inventor
Jacques J. Barriac
Assignee (at issue)
Owens-Illinois Closure Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.